US2731433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freeze resistant aqueous polymer based paint containing an arylsulfonamide
Assignee: Bridgestone Firestone Inc
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Filing: 1953-02-18
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Granted: 1956-01-17
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Expires: 1973-02-18
Abstract
No abstract record available.
Inventors
- 👤 Paul H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:19
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/02; C09D5/024; C09D157/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
44 words
A WATER PAINT CONTAINING AN OIL-IN-WATER EMULSION POLYMER, OF A POLYMERIZABLE ETHYLENICALLY UNSATURATED COMPOUND, AND ABOUT 5 TO 60% BASED ON THE WEIGHT OF POLYMER OF AN ARYL SULFONAMIDE SELECTED FROM THE GROUP CONSISTING OF P-TOLUENESULFONAMIDE AND P-PHENYLENE DIBENZENESULFONAMIDE, SAID PAINT HAVING IMPROVED FREEZESTABILITY.
References Cited (Backward Citations)
US2613156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |